A and b can do a piece of work in 12 days. B and c can do in 15 days. C and a in 20 days. In how many days will they finish together and separately?
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Devashree:
Can you do it with statement
Can you do it with statement. Please
Ok see
see first assum total work as 60
lcm of 12 15 20
a+b do the work In 12 our so one day work by a+b=5
similarly b+c do 4 unit of work in a day
c+a=3
then add 5+4+3 we get =12 and use formula 2(a+b+c)
tnx for brainliest
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